[Dovecot] flock problems with index files and passwd-file

[Timo Sirainen]

On Thu, 2007-03-15 at 14:28 +0100, Michal Soltys wrote:
> - imap process creates .temp file (descriptor 0x7 is returned)
> - hardlink is created to that .temp file, as
>    dovecot.index.log.newlock
> - .temp file is removed
> - attempt to open dovecot.index.log is being made (file doesn't exist)
> - imap writes some data to 0x7
> - dovecot.index.log.newlock is renamed to dovecot.index.log
> - 0x7 is flocked
> - dovecot.index.log is opened (descriptor 0x8)
> - attempt to flock 0x8 is made, blocking imap forever

Fixed: http://dovecot.org/list/dovecot-cvs/2007-March/008217.html
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